Question 1203731
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Determine if the given sets are closed or not closed and why.

1.  10/2=5
2.  50/2=25
3.  45/15=3
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What is the meaning of this post ?


As I see it, it is simply soup of words, inedible, i.e. with no sense.



What are "the given sets" ? - - - There is no any set given or defined in the post.


What does it mean this term "closed or not closed" ? - - - The meaning is not defined.



Again, the meaning of this post is 0 (= zero).